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Why is Hetzner so stingy with server quotas? (lemmy.world)

submitted 1 year ago by 7fb2adfb45bafcc01c80@lemmy.world to c/selfhosted@lemmy.world

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I started migrating my servers from Linode to Hetzner Cloud this month, but noticed that my quota only gave me ten instances.

I need many more, probably on the order of 25 right now and probably more later. I'd also like the ability to create test servers, etc.

I asked for an increase with all of that in mind, and Hetzner replied:

"As we try to protect our resources we are raising limits step by step and on the actuall [sic] requirement. Please tell us your currently needed limit."

I don't understand. Does Hetzner not have enough servers to accommodate me? Wouldn't knowing the size of the server be relevant if it's an actual resource question?

I manage a very large OpenStack cluster for my day job and we just give people what they pay for. I'm having a hard time wrapping my head around this unless Hetzner might not be able to give me what I ultimately want to pay for, and if that's the case, I wonder if they're the right solution for me after all.

It also makes me worry about cloud elasticity.

Does anyone have any insights that can help me understand why keeping a low limit matters?

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[–] vsis 11 points 1 year ago* (last edited 1 year ago)

A posible attack from an untrusted client, is to create a lots of VMs in a short period of time.

1440 VMs running for a minute cost the same as a single one running for a day. 43200 VMs running for a minute cost the same as a single one running for a month.

Therefore, attacks are kinda cheap, ~~specially if you are paid by the competence.~~

So, for an untrusted client, the best is to limit the maximum number of VMs she can create.

AWS does something similar. I recall something like 20 VMs as the limit for a new client.

Edit: Here are AWS docs about that: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-resource-limits.html